March 1, 2002 Happy XCth From The March-April 2002 Issue Published in the March-April 2002 print issue in the The College Pump section. Most popular How the American Revolution Freed a Future Abolitionist Darby Vassall, an enslaved child freed after the Battle of Bunker Hill, dedicated his life to fighting for liberty. America’s National Parks Are a $56 Billion Economic Engine Harvard’s Linda Bilmes on measuring the economic value of public lands Michael Sandel’s “The Tyranny of Merit” reviewed by Spencer Lenfield Michael Sandel makes the case against meritocracy. Explore More From Current Issue Letters to the Editor Readers Respond to Our Grade Inflation Survey A sampling of answers Commencement Commencement Week Events Harvard Commencement Events 2026 Research Discoveries Short takes on cutting-edge research